过去是一个陌生的国度;他们在那里做事的方式不同。
"The past is a foreign country; they do things differently there."
我们进步的考验不在于我们为那些拥有很多的人增添更多,而在于我们是否为那些拥有太少的人提供足够。
The metals we pull from the ground should build bridges between people, not walls.
The more you take responsibility for your past and present, the more you're able to create the future you seek.
I do not fear computers. I fear the lack of them.
In science, failure is not the opposite of success but a stepping stone towards it.